Green Car Congress

JUNE 23, 2016

Researchers at the University of Maryland have developed a novel, flexible, solid-state, ion-conducting membrane based on a 3D ion-conducting ceramic nanofiber network. The 3D ion-conducting network is based on percolative garnet-type Li 6.4 La 3 Zr 2 Al 0.2 mA/cm 2 for around 500 h and a current density of 0.5

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Li-ion Lithium Sulfur Batteries Battery 199

Green Car Congress

AUGUST 8, 2014

NASA has selected four proposals for advanced Li-ion and Li-sulfur energy storage technologies that may be used to power the agencys future space missions. High Energy Density and Long-Life Li-S Batteries for Aerospace Applications, submitted by the California Institute of Technology in Pasadena.

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Li-ion Energy Storage Lithium Sulfur Future 261

Green Car Congress

MARCH 28, 2022

Lithium-sulfur batteries are prospects for future batteries as they are made from cheaper and more environmentally friendly materials than lithium-ion batteries. A comprehensive description of electrochemical processes in the positive electrode of lithium-sulfur batteries is crucial for the utilization of active material.

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Lithium Sulfur Batteries Battery Li-ion 195

Green Car Congress

FEBRUARY 15, 2013

Lithium sulfur batteries are of great interest due to their high specific energy and relatively low cost (e.g., However, Li-S batteries exhibit significant capacity decay over cycling. Commercial applications of lithium sulfur batteries have not been very successful despite several decades of research.

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Lithium Sulfur Batteries Battery Polymer 334

Green Car Congress

JULY 29, 2021

Awardees across 12 projects will focus on developing next-generation lithium batteries with improved lifespan, safety, and affordability; improving the performance and durability of electrolytes that carry ions within batteries; and increasing the power density of electric drive systems. SUNY University @ Stony Brook.

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Li-ion Emissions Lithium Sulfur Lithium Ion 186

Green Car Congress

APRIL 13, 2020

Researchers at Toyohashi University of Technology in Japan have developed an active sulfur material and carbon nanofiber (S-CNF) composite material for all-solid-state Li-sulfur batteries using a low-cost and straightforward liquid phase process. Copyright Toyohashi University Of Technology. —Phuc et al.

Carbon 243

Carbon Lithium Sulfur Li-ion Batteries 243

Green Car Congress

NOVEMBER 5, 2018

Lithium-sulfur (Li-S) batteries, despite their high theoretical specific energy, face practical challenges including polysulfide shuttling and low cell-level energy density. anions (not Li + ), and hence enhance electron transfer to the active S x 2? Quan Pang, Chun Yuen Kwok, Dipan Kundu, Xiao Liang, Linda F.

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Lithium Sulfur Li-ion Batteries Battery 304

Green Car Congress

APRIL 28, 2015

Supported by an ARPA-E grant, LiRAP has proven to be a safe alternative compared to the liquid electrolytes used in most of today’s lithium ion batteries. The LiRAP solid electrolytes conduct Li + ions well at high voltage and high current, providing much enhanced energy density and power capacity as well as safety.

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Li-ion Sodium Lithium Sulfur Batteries 150

Green Car Congress

NOVEMBER 10, 2018

Researchers at Shanghai Jiao Tong University have developed a gel-like electrolyte induced by fumed alumina for dendrite-free Li deposition, lower over-potential and better cycle stability in lithium-sulfur batteries. An open-access paper on their work is published in the RSC journal Chemical Communications.

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Lithium Sulfur Li-ion Batteries Battery 259

Green Car Congress

DECEMBER 14, 2019

A team at the University of Manchester (UK) has developed a doped graphene cathode for highly stable lithium-sulfur batteries. In an open access paper in the Nature journal Communications Chemistry , they report 100% charge capacity of Li-S batteries using the cathode material with 500 charge/discharge cycles at 0.5

Lithium Sulfur 218

Lithium Sulfur Li-ion Batteries Battery 218

Green Car Congress

APRIL 13, 2015

A team of researchers in South Korea and Italy has demonstrated a highly reliable lithium–sulfur battery showing cycle performance comparable to that of commercially available lithium-ion batteries while offering more than double the energy density. Another major concern regarding the lithium?sulfur metal anode.

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Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

NOVEMBER 12, 2015

Researchers at Vanderbilt University have demonstrated that ultrafine sizes (∼4.5 nm, average) of iron pyrite (FeS 2 ) nanoparticles are advantageous to sustain reversible conversion reactions in sodium ion and lithium ion batteries. A paper on their work is published in the journal ACS Nano.

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Li-ion Sodium Lithium Sulfur Batteries 150

Green Car Congress

NOVEMBER 2, 2011

A team from Lawrence Berkeley National Laboratory and Tsinghua University (China) have synthesized graphene oxide-sulfur (GO-S) nanocomposite cathodes and applied them in lithium/sulfur cells to show a high reversible capacity of 950-1400 mAh g -1 and stable cycling for more than 50 deep cycles at 0.1C (1C = 1675 mA g -1 ).

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Lithium Sulfur Li-ion Batteries Battery 186

Green Car Congress

JANUARY 7, 2015

A team from the University of Rome Sapienza has developed a rechargeable lithium-ion polymer battery based on the combination of a high capacity sulfur-carbon cathode, nanostructured Li x Sn-C anode and polysulfide-added PEO-based gel membrane. Moreover, the addition of a dissolved polysulfide (i.e.

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Li-ion Polymer Lithium Sulfur Energy 150

Green Car Congress

OCTOBER 15, 2018

Researchers at Changchun University of Science and Technology in China have developed a nanobox strategy to improve the performance of lithium-sulfur batteries. Li–S batteries theoretically offer a specific energy density of 2600 Wh kg ?1 The system typically uses a lithium-metal anode and sulfur cathode.

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Lithium Sulfur Li-ion Batteries Battery 236

Green Car Congress

SEPTEMBER 5, 2019

This expanded portfolio has the dual aims of improving current generation lithium ion batteries as well as longer horizon materials discovery and optimisation projects to support the commercialisation of next-generation batteries. The project’s Principal Investigator is Professor Patrick Grant of the University of Oxford.

Energy Storage 223

Energy Storage Li-ion Lithium Ion Energy 223

Green Car Congress

JULY 22, 2019

Quan-Hong Yang at Tianjin University and Prof. Wei Lv at Tsinghua University has developed a wax-PEO coating on lithium metal surface by a simple dip coating method to realize an air-stable and waterproof lithium metal anode. Wax as a commonly-used inert sealing material is easily coated on the surface of lithium metal.

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Li-ion Lithium Ion Lithium Sulfur Water 246

Green Car Congress

FEBRUARY 17, 2017

One of the major issues hobbling the commercialization of high energy-density lithium-sulfur batteries is the “polysulfide shuttle”—the shuttling of polysulfide ions between the cathode and anode. Top: Schematic of the electrochemical processes in a generic lithium-sulfur battery. C = Charge, D = Discharge.

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Lithium Sulfur Lithium Ion Li-ion Batteries 199

Green Car Congress

OCTOBER 28, 2021

Battery 500 Phase 2, with BNL, INL, SLAC, General Motors and 8 universities as partners. Stable Solid-State Electrolyte and Interface for High-Energy All-Solid-State Lithium-Sulfur Battery. Ion Conductive High Li+ Transference Number Polymer Composites for Solid-State Batteries. Stanford Linear Accelerator (SLAC).

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Connect Connected Li-ion Batteries 186

Green Car Congress

JANUARY 4, 2020

An international team of researchers led by Monash University has developed an ultra-high capacity Li-S battery that has better performance and less environmental impact than current lithium-ion products. Lithium-sulfur batteries can displace lithium-ion by delivering higher specific energy.

Lithium Sulfur 150

Lithium Sulfur Lithium Ion Li-ion Batteries 150

Green Car Congress

MARCH 28, 2018

Researchers at The University of Texas at Dallas have used two-dimensional (2D) MoS 2 (molybdenum disulfide) as a protective layer for Li-metal anodes, greatly improving the performances of Li–S batteries. The deposition and dissolution process of a symmetric MoS 2 -coated Li-metal cell operates at a current density of 10?mA?cm

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Dallas Li-ion Lithium Sulfur Batteries 207

Green Car Congress

FEBRUARY 14, 2022

Researchers at Drexel University have stabilized a rare monoclinic ?-sulfur sulfur phase within carbon nanofibers that enables successful operation of Lithium-Sulfur (Li-S) batteries in carbonate electrolyte for 4000 cycles. sulfur and its application in Li-S batteries. —Pai et al.

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Carbon Li-ion Batteries Battery 285

Green Car Congress

NOVEMBER 20, 2013

Long-term cycling test results of the Li/S cell with CTAB-modified S?GO This result represents the longest cycle life (exceeding 1,500 cycles) with an extremely low decay rate (0.039% per cycle) demonstrated so far for a Li/S cell. This would require almost double the specific energy (about 200 Wh/kg) of current lithium-ion batteries.

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Li-ion Lithium Sulfur Energy Industrial 359

Green Car Congress

JULY 2, 2011

Schematic of the synthesis steps for a graphene-sulfur composite material, with a proposed schematic structure of the composite. Researchers at Stanford University led by Drs. Sulfur also possesses other advantages such as low cost and environmental benignity. Credit: ACS, Wang et al. Click to enlarge. Earlier post.)

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Li-ion Energy Batteries Battery 239

Green Car Congress

JULY 21, 2017

The Battery500 project is focused on three keystone projects: A high nickel content cathode with a Li-metal anode; Sulfur cathode and Li-metal anode; and. Howell said that some of the researchers are seeing a 30-40% increase in capacity through using a different binder technology in conjunction with a Li-metal system.

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Li-ion Lithium Sulfur Maryland Lithium Ion 186

Green Car Congress

JUNE 21, 2015

Researchers at Tsinghua University (China) report in a paper in ChemSusChem on their use of both lithium anode passivation and polysulfide anion diffusion suppression strategies to reduce self-discharge of the lithium–sulfur cell. —Xu et al. Huang, J. -J., and Zhang, Q. 201500428.

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Lithium Sulfur Li-ion Batteries Battery 150

Green Car Congress

OCTOBER 5, 2015

million contract to NOHMs (Nano Organic Hybrid Materials) Technologies in Rochester, New York, for the development of electrolytes for automotive lithium-ion battery applications. volt lithium-ion batteries, consistent with USABC goals. LCO, NCA, LMNO, NMC and others).

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Li-ion Lithium Sulfur Lithium Ion Batteries 150

Green Car Congress

JUNE 24, 2016

A team at the University of Maryland have synthesized a mixed conducting nanocomposite sulfur electrode that consists of different nanoparticles with distinct properties of lithium storage capability, mechanical reinforcement, and ionic and electronic conductivities. simply increasing the electronic conductivity cannot.

Lithium Sulfur 150

Lithium Sulfur Li-ion Batteries Battery 150

Green Car Congress

JULY 12, 2017

Among the awardees are Mercedes-Benz Research & Development North America and GM, with separate projects on Li-sulfur batteries, as two of the fifteen Phase 1 “Battery Seedling” Projects. University of Maryland: College Park. Research thick cathodes using freeze casting methods for solid-state lithium batteries.

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Carbon Fiber Li-ion Mercedes GM 150

Green Car Congress

JUNE 21, 2015

Researchers at Zhejiang University (China) have developed a multi-functional binder with cation-conductive polymer and polysulfide absorbents that improves the discharge capacity and rate cycleability of Li-sulfur batteries. The Li–S battery showed very low capacity degradation rate of 0.08% per cycle at 1C rate.

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Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

MARCH 27, 2014

m Li 2 S@C spheres at different C-rates. (a) m Li 2 S@C cathodes. (c) m Li 2 S@C spheres. When no carbon black was added to the electrode mixture, a very high Li 2 S content (88 wt % Li 2 S) electrode composed of 98 wt % 1 ? Schematic of the coating process for the Li 2 S@C spheres. Credit: ACS, Nan et al.

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Lithium Sulfur Li-ion Batteries Battery 225

Green Car Congress

MAY 25, 2016

Researchers from University of Western Ontario, Lawrence Berkeley National Laboratory (LBNL), and Canadian Light Sources (CLS) have developed a safe and durable high-temperature Li-sulfur battery using universal conventional carbon–sulfur (C-S) electrodes with a molecular layer deposited (MLD) alucone (aluminum oxide polymeric film) coating.

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Li-ion Lithium Sulfur Batteries Battery 170

Green Car Congress

DECEMBER 8, 2014

Consultancy Frost &Sullivan has selected UK-based lithium-sulfur battery developer OXIS Energy to receive the 2014 European Frost & Sullivan Award for Technology Innovation. Additionally, OXIS Energy’s lithium-sulfur battery has long lifecycles. Batteries Li-Sulfur'

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Lithium Sulfur 2014 Energy Batteries 210

Green Car Congress

JUNE 14, 2015

Researchers from Tsinghua University have developed what they call a “promising strategy” to tackle the intrinsic problems of lithium metal anodes for Lithium sulfur batteries—dendritic and mossy metal depositing on the anode during repeated cycles leading to serious safety concerns and low Coulombic efficiency.

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Li-ion Lithium Sulfur Batteries Battery 150

Green Car Congress

DECEMBER 2, 2013

Schematic showing the chemical reduction reaction of one Li 2 S 6 molecule by lithium to form six Li 2 S molecules, involving the diffusion/driving of lithium out of the graphene layers in the graphite. The approach offers a new way to introduce lithium into the cathode in Li?S air, or Li?organic

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Austin Li-ion Lithium Sulfur Batteries 247

Green Car Congress

JUNE 18, 2018

Although Li metal anode are a promising enabler for high-energy-density next-generation battery systems, practical applications are severely hindered by low efficiency and potential safety hazards, largely due to the high reactivity of metallic Li toward liquid electrolytes. 1 ) and lowest potential (?

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Li-ion Batteries Battery Lithium Sulfur 199

Green Car Congress

OCTOBER 24, 2014

Researchers at Tianjin University (China) report another approach to stabilizing the performance of a Li-sulfur battery. In a paper in the Journal of Power Sources , they describe the preparation of a sulfur cathode modified by a bi-functional nafion/?-Al They report a high initial discharge capacity of 1448.0

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Lithium Sulfur Li-ion Batteries Battery 218